Home / 3,823.89-5,736.12-1,324.05

Finding the Fourth Proportional to 3,823.89, 5,736.12 and 1,324.05

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Solution

The fourth proportional to 3,823.89, 5,736.12 and 1,324.05 is: 1,986.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.89 : 5,736.12 = 1,324.05 : x
  2. Step 2: Convert to fraction form
    3,823.89/5,736.12 = 1,324.05/x
  3. Step 3: Cross multiply
    3,823.89x = 5,736.12 × 1,324.05
  4. Step 4: Simplify right side
    3,823.89x = 7,594,883.21
  5. Step 5: Solve for x
    x = 7,594,883.21/3,823.89
  6. Step 6: Final answer
    x = 1,986.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.